68049225 has 36 divisors (see below), whose sum is σ = 126098700. Its totient is φ = 35038080.

The previous prime is 68049211. The next prime is 68049229. The reversal of 68049225 is 52294086.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 3069504 + 64979721 = 1752^2 + 8061^2 .

It is not a de Polignac number, because 68049225 - 2⁴ = 68049209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68049225.

It is not an unprimeable number, because it can be changed into a prime (68049229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1311 + ... + 11739.

Almost surely, 2^68049225 is an apocalyptic number.

It is an amenable number.

68049225 is a deficient number, since it is larger than the sum of its proper divisors (58049475).

68049225 is a wasteful number, since it uses less digits than its factorization.

68049225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10474 (or 10466 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 68049225 is about 8249.1954153117. The cubic root of 68049225 is about 408.2639763732.

The spelling of 68049225 in words is "sixty-eight million, forty-nine thousand, two hundred twenty-five".